The Bumper, cataloged under National Stock Number 5340-00-476-2901, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-476-2901 |
| Primary Part Number | C4T1332-1 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Outside/top Flange Diameter | 2.200 INCHES NOMINAL IN |
| Material Hardness Rating | 85.0 DUROMETER MINIMUM AND 90.0 DUROMETER MAXIMUM |
| Largest Countersink Diameter | 1.060 INCHES NOMINAL IN |
| Style Designator | FLAT TOP COUNTERSUNK |
| Countersink Depth | 0.250 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Hole Diameter | 0.560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C4T1332-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| 5340AC1-011 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-476-2901 is a Bumper, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-476-2901 has 1 manufacturer part number on file: C4T1332-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4T1332-1: Overall Height: 0.900 INCHES NOMINAL IN; Outside/top Flange Diameter: 2.200 INCHES NOMINAL IN; Material Hardness Rating: 85.0 DUROMETER MINIMUM AND 90.0 DUROMETER MAXIMUM; Largest Countersink Diameter: 1.060 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.